709 / 1578
•
Target dose and coverage:
Ø
Prescription isodose (
PD
):
48.0 Gy
– 77%
Ø
Isocentre Dose (
ID
):
62.6 Gy –
100%
Ø
PTV volume:
39.8 cm
3
Ø
% PTV covered by 77% (100% of
PD
):
97%
(
> 95%
)
Ø
% PTV covered by 69.3% (90% of
PD
):
100%
(
> 99%
)
Ø
D
2%
:
64.5 Gy – 103% (
< 105%
)
Ø
D
mean
:
56.8 Gy – 91%
SBRT 2017 - D. Verellen
PTV &
tissue heterogeneity &
dose prescription